Backtrader
Classic Python library for backtesting strategies, widely used in tutorials.
A classic with countless tutorials; development has slowed, but it still does the job.
Who it is for
Beginners in Python backtesting who want plenty of examples and tutorials.
Strengths
- Very popular (over 23,000 GitHub stars): lots of examples and tutorials.
- GPL-3.0 license.
Good to know
- Barely maintained: the last change in the main repository is from August 2024.
- Since it is not updated, it may break with newer Python or dependency versions.
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Sources
Every fact on this page comes from these sources, checked on 2026-10-24. If something has changed, the source wins; tell us at hello@heybotify.com.
- https://github.com/mementum/backtrader: GPL-3.0 license, popularity and date of the last change (August 2024)
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